IT Infrastructure & Security Administrator

United States·RockvilleFull timemid

CybersecuritySecurity Administrator

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Overview

AMT, Inc. is seeking a mid-level IT Infrastructure & Security Administrator to serve as the primary backup and operational partner to our Infrastructure & Security Lead.

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CybersecuritySecurity Administrator

AMT, Inc. is seeking a mid-level IT Infrastructure & Security Administrator to serve as the primary backup and operational partner to our Infrastructure & Security Lead. This person will own day-to-day infrastructure operations, support our CMMC compliance journey, and bring working knowledge of AI tools, scripting, and modern server environments. This is a high-visibility role with a direct path toward senior leadership as the firm continues to grow. Position can be based out of any of our offices in the DMV (Maryland, DC, VA).

Why This Role?:

Direct mentorship from an experienced IT director with 20+ years at the firm
Opportunity to grow into a senior or lead infrastructure role as the team expands
Involvement in firm-wide strategic technology initiatives including AI, CMMC, and ERP
Competitive compensation, ESOP participation, MIP bonus program, and full benefits
Hybrid schedule with a collaborative, people-first team culture

Manage and monitor servers, networks, and cloud infrastructure across multiple office locations
Serve as primary backup for all infrastructure and security functions, including on-call coverage during evenings and weekends on a rotating basis
Support and help advance CMMC Level 1 and Level 2 compliance efforts, including documentation, policy enforcement, and staff training
Assist in managing Microsoft 365 environment including Teams, SharePoint, OneDrive, and Entra ID
Maintain and improve cybersecurity posture — endpoint protection, SIEM monitoring, vulnerability management, and incident response
Support the buildout and management of a formal after-hours helpdesk rotation system
Contribute to AI tool evaluation, deployment, and internal training initiatives
Support office infrastructure needs across outlying locations including occasional travel

5-8 years of experience in IT infrastructure, systems administration, or security engineering
Hands-on experience with Windows Server, Active Directory, Microsoft 365, and cloud environments (Azure preferred)
Scripting or programming ability (PowerShell, Python)
Working knowledge of network administration — firewalls, switching, VPN, DNS/DHCP
Familiarity with cybersecurity frameworks — NIST, CMMC, or similar
Strong problem-solving skills with the ability to work independently under pressure
Excellent communication skills — able to explain technical issues to non-technical staff

Nice to Have

~2 min read

Experience with CMMC compliance implementation

Familiarity with AI tools and their practical application in a business environment

Experience with CrowdStrike or similar enterprise backup/security tools

Relevant certifications: CompTIA Security+, Microsoft certifications, CISSP, or equivalent

Why Join AMT?

At AMT, we understand that our most valuable asset is our staff. For 70 years, we have worked diligently to build a team of talented employees who fully embody our values as an organization – values such as teamwork, integrity, and innovation. Now that we have transitioned into an employee-owned firm, we are excited to place the future of AMT into over 500 sets of dedicated hands.

The AMT Difference

Our company culture is characterized by a workforce that holds the highest standards of ethics and integrity, focused client care, and commitment to AMT's Core Values of safety, respect, integrity, commitment, quality, teamwork. leadership, responsibility, and profitable growth.

Operating as an ESOP allows us to reward our dedicated and loyal employees with additional benefits from the company’s stock as well as an incentive to continue building a high-performance ownership culture. To strengthen and support its employees, AMT invests in programs and processes to sustain an engaging work environment. AMT also recognizes the importance of employee benefits and policies and remains committed to providing programs that are both comprehensive and competitive in the industry.

Competitive Benefit Package

To strengthen and support its employees, its greatest asset, AMT invests in programs and processes to sustain an engaging work environment. AMT also recognizes the importance of employee benefits and policies and remains committed to providing programs that are both comprehensive and competitive in the industry. With AMT, you will get:

• Tiered medical coverage

• Dental/Vision

• 401(k) with a generous 6% Company Match

• Short- and long-term disability

• College savings plan

• Life insurance

• Paid time off

• Holidays

• Training/Certifications